CN102472240B - Mixer, matching device, ignition unit, and plasma generator - Google Patents
Mixer, matching device, ignition unit, and plasma generator Download PDFInfo
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- CN102472240B CN102472240B CN201080034982.6A CN201080034982A CN102472240B CN 102472240 B CN102472240 B CN 102472240B CN 201080034982 A CN201080034982 A CN 201080034982A CN 102472240 B CN102472240 B CN 102472240B
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- 238000002156 mixing Methods 0.000 claims abstract description 46
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/36—Circuit arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P3/00—Other installations
- F02P3/01—Electric spark ignition installations without subsequent energy storage, i.e. energy supplied by an electrical oscillator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P9/00—Electric spark ignition control, not otherwise provided for
- F02P9/002—Control of spark intensity, intensifying, lengthening, suppression
- F02P9/007—Control of spark intensity, intensifying, lengthening, suppression by supplementary electrical discharge in the pre-ionised electrode interspace of the sparking plug, e.g. plasma jet ignition
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/48—Generating plasma using an arc
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/48—Generating plasma using an arc
- H05H1/484—Arrangements to provide plasma curtains or plasma showers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/52—Generating plasma using exploding wires or spark gaps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P23/00—Other ignition
- F02P23/04—Other physical ignition means, e.g. using laser rays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P3/00—Other installations
- F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
- F02P3/04—Layout of circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H2242/00—Auxiliary systems
- H05H2242/20—Power circuits
- H05H2242/26—Matching networks
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Plasma Technology (AREA)
- Spark Plugs (AREA)
Abstract
A mixer for mixing pulse voltage energy and electromagnetic wave energy in the same transmission line is provided with a first input terminal to which an electromagnetic wave is inputted, a second input terminal to which pulse voltage is inputted, a mixing output terminal from which the pulse voltage and the electromagnetic wave are outputted, a bar-shaped first conductive member of which one end is electrically connected to the second input terminal and the other end is electrically connected to an inner conductor of the mixing output terminal, a cylindrical second conductive member which surrounds the first conductive member with a gap therebetween and is disposed coaxially with the first conductive member and electrically connected to an inner conductor of the first input terminal, and a cylindrical third conductive member which houses the first conductive member and the second conductive member with a gap between the second conductive member and the third conductive member and is disposed coaxially with the first conductive member and the second conductive member and electrically connected to an outer conductor of the first input terminal and an outer conductor of the mixing output terminal.
Description
Technical field
The present invention relates to a kind of mixer that pulsed voltage (pulse voltage) is mixed with electromagnetic wave, obtain adapter (matching box) from electromagnetic impedance (impedance) coupling of mixer output, possess the igniting unit (ignition unit) of mixer and possess the plasma generator (plasma generator) of igniting unit.
Background technique
Replacement method as the spark ignition (spark ignition) of internal-combustion engine (internal-combustion engine), or as plasma method for generation, propose and use sparkover and electromagnetic radiation that the technology of plasma occurs.According to this technology, than only utilizing electromagnetic wave that the situation of plasma occurs, can reduce etc. the necessary electromagnetic energy of gas ions occurs.In patent documentation 1, recording near the plasma generator of configuration antenna (antenna) sparking electrode of spark plug (spark plug) etc.In addition, in patent documentation 1 and patent documentation 2, recording the spark plug that is provided with electromagnetic transmission line and antenna.
In patent documentation 3, recording and making for energy and the electromagnetic energy of electric discharge in the leading portion of spark plug overlapping plasma generating device on identical transmission line.In addition, in patent documentation 4, recording as lower device, although not for there is the device of plasma in this device, but by direct current (DC, Direct Current) voltage being combined with microwave energy and coaxial conductor and importing to firing chamber and make microwave energy and aflame plasma mixture (flame) combination.
Background technique document
Patent documentation
Patent documentation 1: Japanese Patent Laid-Open 2007-113570 communique
Patent documentation 2: Japanese Patent Laid-Open 2009-38026 communique
Patent documentation 3: Japanese Patent Laid-Open 2009-36198 communique
Patent documentation 4: the clear 51-77719 communique of Japanese Patent Laid-Open
Summary of the invention
In addition, make the energy of pulsed voltage and electromagnetic wave energy on same transmission line in overlapping mode, spark plug doubles as electric discharge device and electromagenetic wave radiation device (antenna).Therefore, can simplify the structure of plasma generator.It is complicated that its another side is that the electromagnetic transmission path from electromagnetic oscillator to electromagenetic wave radiation device becomes.In the situation that by which for the igniting of internal-combustion engine etc., guarantee that the soundness of the lift-launch of combustion motor, the environment when guaranteeing to withstand internal combustion engine operation becomes problem.
In addition, and occur in the mode of plasma with sparkover and electromagnetic radiation, although can, with few energy generation plasma, need corresponding energy.Therefore, guarantee that the transmission quantity of the energy on electromagnetic transmission path and efficiency of transmission just become problem.In the plasma producing apparatus of recording in patent documentation 4, this kind of problem do not taken into full account.
Given this present invention plants actual conditions and completes, and its object is to guarantee the transmission performance of lift-launch property, soundness and electromagnetic wave energy in the mixer that pulsed voltage is mixed with electromagnetic wave.
[effect of invention]
According to the present invention, mixer becomes coaxial configuration.Therefore, do not carry out electromagnetic pattern conversion, just can realize and the mixing and electromagnetic transmission of pulsed voltage.This contributes to guarantee electromagnetic efficiency of transmission.In addition, because reducing the generation of creeping discharge (surface creepage), can suppress the leakage (leak) of energy, so can improve withstand voltage properties.This contributes to guarantee the energy of transmission, improves electrical integrity.In addition, in coaxial configuration, because large multimember shape becomes tubular, so can obtain with structure weight, be in a ratio of higher rigidity.This contributes to guarantee soundness.In addition, utilize coaxial configuration, can shorten the minimum fabric width of profile.This contributes to improve lift-launch property.
In addition, the transmission path of pulsed voltage is shielded (shield) by coaxial configuration.The leakage of the electromagnetic noise (electromagnetic noise) in the time of therefore, can reducing pulsed voltage generation.Therefore, noise countermeasure becomes easily, can improve lift-launch.In addition, the loss (loss) of the transmitting energy causing because of the noise countermeasure that can suppress by resistance (resistance) etc., so easily guarantee the efficiency of transmission of energy.
Accompanying drawing explanation
Fig. 1 is the stereogram of the plasma generator of mode of execution 1.
Fig. 2 is the block diagram of the plasma generator of mode of execution 1.
Fig. 3 is the circuit diagram of the plasma generator of mode of execution 1.
Fig. 4 is the sectional drawing of the mixer of mode of execution 1.
Fig. 5 is the sectional drawing of the adapter of mode of execution 1.
Fig. 6 is the circuit diagram of plasma generator of the variation 1 of mode of execution 1.
Fig. 7 is the sectional drawing of mixer of the variation 2 of mode of execution 1.
Fig. 8 is the sectional drawing of mixer of the variation 3 of mode of execution 1.
Fig. 9 is the sectional drawing of the adapter of mode of execution 2.
Figure 10 is the sectional drawing of adapter of the variation 1 of mode of execution 2.
Figure 11 is the sectional drawing of adapter of the variation 2 of mode of execution 2.
Figure 12 is the sectional drawing of adapter of the variation 3 of mode of execution 2.
Figure 13 is the front view of front-end face of the spark plug of other mode of executions.
[explanation of symbol]
100 plasma generators
200 impulse voltage generators
300 mixers
310 first input end
315 second input terminals
320 adverse currents prevent coil (adverse current prevention unit)
330 capacitors
340 mix Out let
360 shells (the 3rd conductive member)
362 first dielectrics rings
364 second dielectrics rings
366 dielectric tubes (insulating cylinder body)
370 electric conductor rods (the first conductive member)
372 electric conductor pipes (the second conductive member)
400 adapters
462 inner side connector elements
464 insulator intercalation members
466 outer fixing member
468 outside connector elements
470 dielectric components (tubular insulating component)
500 spark plugs
Embodiment
Below, explain with reference to the accompanying drawings embodiments of the present invention.In addition, following mode of execution is preferred illustration in essence, and the present invention is not intended to limit the scope of its application thing or its purposes.
< < mode of execution 1 > >
Mode of execution 1 is plasma generator 100 of the present invention.Below, first plasma generator 100 describes, and then sequentially mixer 300, adapter 400 is described.
The formation of-plasma generator-
Respectively by the three-dimensional icon of plasma generator 100 in Fig. 1, the block diagram of plasma generator 100 is shown in to Fig. 2, the circuit diagram that represents the equivalent circuit of plasma generator 100 is shown in to Fig. 3.
As shown in Figure 1, plasma generator 100 comprises impulse voltage generator 200, mixer 300, adapter 400 and spark plug 500.Impulse voltage generator 200 forms roughly case shape (boxy) (the roughly case shape of cuboid).Mixer 300 forms roughly cylindric, and one end is connected in impulse voltage generator 200.At the other end of mixer 300, the extension part 390 extending along the axle direction of mixer 300 is being set.Extension part 390 is embedded in the consent (plug hole) of internal-combustion engine.The projection 316 of box is being set in the cylinder sides of mixer 300.Adapter 400 forms tubular, to surround the mode of extension part 390, arranges.Adapter 400 arranges movably along its axle direction, obtains the electromagnetic impedence matching towards spark plug 500 from mixer 300.Spark plug 500 is connected in mixer 300 via adapter 400.
In addition,, in plasma generator 100, impulse voltage generator 200 is integrated with mixer 300.Impulse voltage generator 200 forms igniting unit 150 with mixer 300.Plasma generator 100 comprises igniting unit 150, adapter 400 and spark plug 500.Spark plug 500 forms electrical discharger 500, forms utilization and produce the discharging gap of electric discharge from the pulsed voltage of mixer 300 inputs in this electrical discharger 500.
The connector (connector) 210 that is used for receiving outside input is being set in impulse voltage generator 200.In the projection 316 of the box of mixer 300, first input end 310 is being set.First input end 310 is electromagnetic wave input terminals.
As shown in Figure 2, impulse voltage generator 200 receives the supply of direct current 620 from outside DC electrical source 600.Impulse voltage generator 200 bases by outside controller 602 (for example, the electronic control unit of automobile, the control signal 622 of so-called ECU (Electronically Controlled Unit)) giving is (following, be called " fire signal ") turn round (operate), there is the also pulsed voltage 624 of output HIGH voltage.DC electrical source 600 can be also automotive battery (battery) for example.The voltage of direct current 620 can be 12V left and right.Fire signal 622 can be TTL (Transistor-Transistor Logic, the transistor-transistor logic) signal of the pulse type of positive logic (positive logic).The pulse width of fire signal 622 (pulse width) can be the degree of 1msec～2msec.
In the situation that being this kind of fire signal 622, signal applies and starts the sign on that represents that electric power is supplied with, and signal applies and finishes to represent end that electric power is supplied with and the output order of pulsed voltage 624.Pulsed voltage 624 is that peak voltage (peak voltage) is for example the voltage signal of pulse (impulse) shape of the degree of 6kV～40kV.The specification of pulsed voltage 624 (specification) carries out suitably setting to produce the mode of insulation breakdown (insulation breakdown) in the situation that spark plug 500 being applied to pulsed voltage 624.
Mixer 300 is from impulse voltage generator 200 received pulse voltages 624, and receives microwave 626 from outside microwave source 606 (electromagnetic wave source).In present embodiment 1, the frequency of microwave 626 is for example 2450MHz left and right, and the peak value of input electric power is 1kW left and right.Microwave 626 is pulse type and applies.In addition, the pulse width of microwave 626 both can be less than 10msec, more than also can be 10msec.The pulse of microwave can repeat to apply.
Mixer 300 occurs and exports the mixed signal 628 that pulsed voltage 624 and microwave 626 are mixed.Mixed signal 628 is transferred to spark plug 500 via adapter 400.In spark plug 500, receive applying of mixed signal 628, produce electric discharge, and microwave radiation.Its result is, in the discharging gap of the front end of spark plug 500, forms small-scale plasma by discharging, the energy of this plasma absorption microwave and expanding.
As shown in Figure 3, the circuit of impulse voltage generator 200 forms identical with the general device carrying on spark coil in the past.DC terminal 212, the reception fire signal terminal 214 of fire signal 622 and the ground terminal 216 of ground connection of the input that receives direct current 620 are being set in impulse voltage generator 200.DC terminal 212, fire signal terminal 214 and ground terminal 216 are arranged at connector 210.
In impulse voltage generator 200, switch (switch) 230, first side (primary side) coil (coil) 240, second side (secondary side) coil 242 and voltage side Out let 250 are also being set.Switch 230 comprises npn transistor npn npn (transistor), and base stage (base) is connected in fire signal terminal 214, and emitter (emitter) is connected in ground terminal 216.One end of first siding ring 240 is connected in the collector electrode (collector) of switch 230, and the other end is connected in DC terminal 212.Second siding ring 242 is to configure with first siding ring 240 mode in opposite directions across (iron core) unshakable in one's determination (omitting diagram).One end of second siding ring 242 is connected in DC terminal 212 via rectifier 220 (diode (diode)), and the other end is connected in voltage side Out let 250 via resistance 222.
Mixer 300 comprises that described first input end 310, the second input terminal 315, mixing Out let 340, adverse current prevent coil 320 and capacitor (condenser) 330.The second input terminal 315 is connected in the voltage side Out let 250 of impulse voltage generator 200.First input end 310 has inner conductor 310a and the outer conductors 310b that forms coaxial configuration, and input has electromagnetic wave.In the second input terminal 315, input has pulsed voltage.Mix Out let 340 and there is inner conductor 340a and the outer conductors 340b that forms coaxial configuration.From mixing Out let 340 voltage pulse outputs and electromagnetic wave.Adverse current prevents that coil 320 is connected in the second input terminal 315.Capacitor 330 comprises following electric conductor rod 370 and electric conductor pipe 372.One end of capacitor 330 is connected in first input end 310.The other end of capacitor 330 is branched off into two-way, and a side is connected in adverse current and prevents coil 320, and the opposing party is connected in and mixes Out let 340.
As adverse current, prevent coil 320, selection has the coil of the self-induction (self-inductance) of 10nH～10 μ H degree.Therefore, adverse current prevents that coil 320 from stoping the electromagnetic of microwave band to pass through on the one hand, allows the electromagnetic wave of the frequency band below shortwave band or passing through of direct current on the other hand.Adverse current prevents that coil 320 forms the adverse current that stops the microwave of inputting from first input end 310 to flow to impulse voltage generator 200 and stops unit 320.
In addition, as capacitor 330, selection has the capacitor of the electric capacity of 1pF to 100pF degree.Therefore, capacitor 330 is allowed passing through of microwave on the one hand, stops on the other hand the electromagnetic wave of the frequency band below shortwave band or passing through of direct current.Capacitor 330 forms the unit that stops the voltage pulse of inputting from the second input terminal 315 to flow to first input end 310.
On equivalent circuit, adapter 400 one end are connected in the mixing Out let 340 of mixer 300, and the other end is connected in spark plug 500.At the other end of adapter 400, arranging and be used for connector (plug) connecting end 410 that is connected with spark plug 500.
It is identical with the circuit formation of general spark plug that the circuit of spark plug 500 forms.Spark plug 500 is electrical dischargers, and it comprises the grounding conductor 512 that is electrically connected on the Central conductor 510 of the inner conductor 340a that mixes Out let 340 and is electrically connected on the outer conductors 340b that mixes Out let 340.In spark plug 500, Central conductor 510 forms coaxial configuration with grounding conductor 512.
In spark plug 500, Central conductor 510 forms electrode pair in opposite directions with grounding conductor 512.Between Central conductor 510 and grounding conductor 512, become discharging gap.In addition,, in present embodiment 1, in the Central conductor 510 of spark plug 500, resistance is not set.This is comparatively ideal formation for guaranteeing the efficiency of transmission of microwave.
According to described formation, if the base stage of switch 230 is applied to fire signal 622, electric current can flow to first siding ring 240 so, and near magnetic field unshakable in one's determination changes and puts aside electric charge.Under this state, if finish the base stage of switch 230 to apply fire signal 622, so the power supply of first siding ring 240 is finished, and make electric charge flow into second siding ring 242.Its result is, in impulse voltage generator 200, between ground connection side and voltage side Out let 250 sides, to produce high potential difference.Then, voltage side Out let 250 is applied to high-tension pulsed voltage 624.
Pulsed voltage 624 prevents that by adverse current coil 320 is delivered to mixing Out let 340.Pulsed voltage 624 is because existing capacitor 330 not flow to first input end 310 sides.On the other hand, from the microwave 626 of first input end 310 inputs, by capacitor 330, be delivered to and mix Out let 340.Microwave 626 is because existing adverse current to prevent that coil 320 from not flowing to impulse voltage generator 200 sides.
In mixer 300, pulsed voltage 624 is exported from mixing Out let 340 after mixing with microwave 626.Pulsed voltage 624 is supplied to spark plug 500 with microwave 626 via adapter 400.Its result is that in spark plug 500, pulsed voltage 624 and microwave 626 are applied between discharging gap, and plasma occurs.
The formation of-mixer-
As shown in Figure 4, mixer 300 comprises electric conductor rod 370, electric conductor pipe (pipe) 372, the first dielectrics ring (dielectric ring) the 362, second dielectrics ring 364, dielectric tube 366 and shell (housing) 360.
The general face shaping that forms mixer 300 of shell 360.The material of shell 360 is the electric conductors such as metal.Shell 360 forms the tubular of both ends open.The side of shell 360 is arranging the projection 316 of box.Projection 316 in box is forming the opening 317 that first input end 310 is exposed.Shell 360 is at the whole outer conductors 310b that is connected to first input end 310 around of opening 317.Shell 360 forms the 3rd conductive member 360, take in to the 3rd conductive member 360 and electric conductor pipe 372 devices spaced apart electric conductor rod 370 and electric conductor pipe 372, configure coaxially with electric conductor rod 370 and electric conductor pipe 372, and be electrically connected on respectively the outer conductors 310b and the outer conductors 340b that mixes Out let 340 of first input end 310.
One end of shell 360 is forming the tapering 361 of undergauge tapered (taper) shape along with close end.In tapering, 361 are connecting the extension part 390 that front end becomes mixing Out let 340.Extension part 390 comprises concentric cable (cable).The inner conductor 390a of extension part 390 is connected to electric conductor rod 370.The outer conductors 390b of extension part 390 is substantially connected to the one end in the tapering 361 of shell 360.The dielectric layer of extension part 390 (dielectric layer) 390c is connected to dielectric tube 366 in the inner side of the connection cylindrical shell 350 that comprises insulator.The one end that connects cylindrical shell 350 is embedded into the breach (notch) of the second dielectrics ring 364 and fixes.Connect the dielectric layer 390c that cylindrical shell 350 is keeping extension part 390.
On the other hand, the other end of shell 360 is arranged on impulse voltage generator 200.The second input terminal 315 of the voltage side Out let 250 that is connected in impulse voltage generator 200 is being set in the other end of shell 360.In present embodiment 1, what adverse current prevented coil 320 becomes the second input terminal 315 with electric conductor rod 370 for one end of opposition side.
The external surface shape of the first dielectrics ring 362 of tubular is identical on whole axle direction.The first dielectrics ring 362 is arranged on the second input terminal 315 sides of shell 360, and is embedded into the inner side of shell 360.The outer surface of the first dielectrics ring 362 is substantially connected to the internal surface of shell 360.
Internal surface at the first dielectrics ring 362 is forming jump.The first dielectrics ring 362 be take jump and as boundary, is had two inner surface configurations.The inner surface configuration of the second input terminal 315 sides of the first dielectrics ring 362 is set for can chimeric impulse voltage generator 200.The inner surface configuration of mixing Out let 340 sides of the first dielectrics ring 362 is set for can chimeric dielectric tube 366.
The inner surface configuration of the second dielectrics ring 364 of tubular and external surface shape are all identical on whole axle direction.The second dielectrics ring 364 is arranged on mixing Out let 340 sides of shell 360, and is embedded into the inner side of shell 360.The outer surface of the second dielectrics ring 364 is substantially connected to the internal surface of shell 360.
The inner surface configuration of the second dielectrics ring 364 is set for can chimeric dielectric tube 366.Namely, the internal surface of the second dielectrics ring 364 is formed objects and identical shaped with the internal surface that mixes Out let 340 sides of the first dielectrics ring 362.Second internal surface of dielectrics ring 364 and the axle center of outer surface are roughly consistent with first internal surface of dielectrics ring 362 and the axle center of outer surface.
The dielectric tube 366 of tubular extends between the first dielectrics ring 362 and the second dielectrics ring 364.One end of dielectric tube 366 is embedded into the inner side of the first dielectrics ring 362, and the other end is embedded into the inner side of the second dielectrics ring 364.The thickness of dielectric tube 366 is set for: even if internal surface and outer surface are applied to pulsed voltage 624 or microwave 626, also can not produce insulation breakdown.Dielectric tube 366 forms insulating cylinder body 366, and this insulating cylinder body 366 is configured between electric conductor rod 370 and electric conductor pipe 372, makes electric conductor rod 370 and electric conductor pipe 372 electrical insulations.
The material of the first dielectrics ring 362, the second dielectrics ring 364 and dielectric tube 366 both can be so-called fluorine resin (fluorine resin) or polyethylene resin (polyethylene resin), also can be other dielectricss (for example pottery (ceramics)).If the igniting by described plasma generator 100 for internal-combustion engine etc., it is desirable to the material of selecting heat resistance high so.In addition, it is desirable to the high material of insulation endurance for dielectric tube 366.
Electric conductor rod 370 forms cylindric, and is embedded into the inner side of dielectric tube 366.Electric conductor rod 370 is embedded into mixing Out let 340 sides of dielectric tube 366.Electric conductor rod 370 forms one end and is electrically connected on the first conductive member 370 that the second input terminal 315, the other end are electrically connected on the inner conductor of mixing Out let 340.
Mixing Out let 340 sides of electric conductor rod 370 are outstanding from the opening of electric conductor pipe 372.One end of the second input terminal 315 sides of electric conductor rod 370 is positioned at the inner side of electric conductor pipe 372.
The adverse current of inserting the electric conductivity spring that comprises coiled type in the second input terminal 315 sides of dielectric tube 366 prevents coil 320.Adverse current shown in Fig. 4 prevents that coil 320 from forming Compress Springs, and its natural length is more than impulse voltage generator 200 is embedded in the distance of voltage side Out let 250 under the state of mixer 300 and electric conductor rod 370.Therefore,, if impulse voltage generator 200 is embedded in to mixer 300, adverse current prevents that the end of coil 320 is connected to respectively voltage side Out let 250 and electric conductor rod 370 so.Adverse current prevents that coil 320 from keeping under the state being compressed between the second input terminal and electric conductor rod 370.Adverse current prevents that coil 320 is electrically connected to voltage side Out let 250 with electric conductor rod 370.Adverse current prevents that coil 320 is connected in the second input terminal 315 sides of electric conductor rod 370 in the inner side of electric conductor pipe 372.
Electric conductor pipe 372 forms tubular, is arranged on the outer surface side of dielectric tube 366.Electric conductor pipe 372 is the outer surface of the central part of covering dielectric pipe 366 substantially.The internal surface of electric conductor pipe 372 is connected to the outer surface of dielectric tube 366 on whole axle direction.Electric conductor pipe 372 forms the second conductive member 372, and these the second conductive member 372 devices spaced apart ground surround electric conductor rod 370, configure coaxially, and be electrically connected on the inner conductor 310a of first input end 310 with electric conductor rod 370.
Mixing Out let 340 sides of the internal surface of electric conductor pipe 372 across dielectric tube 366 and with electric conductor rod 370 in opposite directions.This opposing part is divided into the capacitor 330 shown in Fig. 3.The mode that forming the area of the part in opposite directions of capacitor 330 becomes desirable value with the electric capacity of capacitor 330 is set.The fineness degree of setting electric conductor rod 370 and the in opposite directions axial length of part, so that both obtained the coupling of the impedance of microwave, make again the electric capacity of capacitor 330 become desirable value.Electric conductor rod 370 is outstanding from the opening of mixing Out let 340 sides of electric conductor pipe 372.Namely, a part for a part for electric conductor rod 370 and electric conductor pipe 372 repeats on their axle direction.
In addition,, in present embodiment 1, electric conductor pipe 372 is to extend to surround till adverse current prevents the position of coil 320 always, but also can not extend to, surrounds the position that adverse current prevents coil 320.The mode uprising with the efficiency of transmission of microwave is set the length of electric conductor pipe 372.
Outer surface in the end of the second input terminal 315 sides of electric conductor pipe 372 is connecting from its outer surface outstanding projection 374 longitudinally.The inner conductor 310a of first input end 310 is installed in this projection 374.The inner conductor 310a of projection 374 and first input end 310 is embedded into the inner side of the input side barrel member 312 that comprises insulator.The inner conductor 310a of first input end 310 forms can insert the mode of the inner conductor of concentric cable.
In present embodiment 1, the inner conductor 310a of first input end 310 is connected with the end of electric conductor pipe 372 in the second input terminal 315 sides of electric conductor pipe 372.If the power supply that can receive microwaves at the second input terminal 315 side joints of electric conductor pipe 372, can improve the efficiency of transmission of microwave.In shell 360, the position of the projection 374 that extend according to the outer surface from electric conductor pipe 372 position of the projection 316 of box is determined.
Mix the front end that Out let 340 comprises extension part 390.The inner conductor 340a that mixes Out let 340 is electrically connected on electric conductor rod 370.The outer conductors 340b that mixes Out let 340 is electrically connected on shell 360.Extension part 390 both can via handling such as connectors freely, also can be fixed with shell 360.
The formation of-adapter-
As shown in Figure 5, adapter 400 comprises inner side connector element 462, insulator (insulator) intercalation member 464, outer fixing member 466, outside connector element 468 and dielectric component 470.
Inner side connector element 462 comprises electric conductor.Inner side connector element 462 is the shapes of input end that are sticked in the Central conductor 510 of spark plug 500.Particularly, the internal surface at inner side connector element 462 is forming thread groove (thread groove).The thread groove of inner side connector element 462 screws togather (screw together) in the thread groove of the outer surface of the Central conductor 510 of spark plug 500.The inner conductor 340a that mixes Out let 340 is embedded into inner side connector element 462.Inner side connector element 462 is electrically connected to mixing the inner conductor 340a of Out let 340 and the Central conductor 510 of spark plug 500, keeps this inner conductor 340a and this Central conductor 510.
Insulator intercalation member 464 is to have the roughly insulating component of the shape of tubular.In insulator intercalation member 464, taking in inner side connector element 462.Mixer 300 sides at insulator intercalation member 464 are being inserted the dielectric layer 340c that mixes Out let 340.The peripheral shape of mixing Out let 340 sides of insulator intercalation member 464 it is desirable to, and from its axle direction, from mixing the peripheral shape of the outer conductors 340b of Out let 340, does not exceed.On the other hand, spark plug 500 sides of insulator intercalation member 464 are embedded into the outside of this exposed portions serve 514a in the mode of the exposed portions serve 514a of the input side of the insulator 514 of covering spark plug 500.Insulator intercalation member 464 is outstanding from one end of the discharging gap side of this exposed portions serve 514a, and this projection is substantially connected to the end of the grounding conductor 512 of spark plug 500.
The electric conductor that outer fixing member 466 comprises band shape or tubular.Outer fixing member 466, substantially to surround the mode of outer circumferential face of spark plug 500 sides of insulator intercalation member 464, is engaged in insulator intercalation member 464.Outer fixing member 466 is outstanding from one end of the discharging gap side of insulator intercalation member 464, and this projection bends to the inside and is connected to the grounding conductor 512 of spark plug 500.This projection is substantially connected to the input side of the grounding conductor 512 of spark plug 500.Outer fixing member 466 is utilized insulator intercalation member 464 and is insulated with the inner conductor 340a and the inner side connector element 462 that mix Out let 340.In addition,, in Fig. 1, omit the diagram of outer fixing member 466.
The electric conductor that outside connector element 468 comprises tubular.The mixing Out let 340 of outside connector element 468 on axle direction is till in the interval of the terminal side of spark plug 500, surround and mix Out let 340, inner side connector element 462, insulator intercalation member 464 and outer fixing member 466.
In Fig. 5, outside connector element 468 forms the shape that two end part collection holds together.The two end part of outside connector element 468 bend to the inside.The end of mixer 300 sides of outside connector element 468 is substantially connected to the outer conductors 340b that mixes Out let 340.The end of spark plug 500 sides of outside connector element 468 is substantially connected to outer fixing member 466.One end of outside connector element 468 is connected to the outer conductors 340b that mixes Out let 340, and the other end is connected to the outer fixing member 466 of the grounding conductor 512 that is connected electrically in spark plug 500.In addition the end that, outside connector element 468 also can be configured to spark plug 500 sides is substantially connected to conductor 512.
In the connector element 468 of outside, the inner peripheral surface of the main body portion 468a between two end part spreads all over and wholely separates with the outer circumferential face of insulator intercalation member 464 peripherally.The mode that the end 468b of spark plug 500 sides of outside connector element 468 is involved in to the inside forms.The end 468c of mixer 300 sides of outside connector element 468 bend to the inside foremost along the outer surface that mixes the outer conductors 340b of Out let 340.In addition, two end part 468b, the 468c of outside connector element 468, except the shape shown in Fig. 5, also can suitably adopt the various shapes such as shape that undergauge forms gradually.
Outside connector element 468 arranges movably along its axle direction.Outside connector element 468 is electrically connected to mixing the outer conductors 340b of Out let 340 and the grounding conductor 512 of spark plug 500.In addition under the state that, spark plug 500 separates with the outer conductors 340b that mixes Out let 340 at grounding conductor 512, configure.The Central conductor 510 of spark plug 500 extends along the axle direction that mixes Out let 340.
Dielectric component 470 forms tubular, is configured in the inner side of outside connector element 468.Dielectric component 470 is engaged in the internal surface of the main body portion 468a of outside connector element 468.Dielectric component 470 forms tubular insulating component 470, and this tubular insulating component 470 is used for stoping mixing between the inner conductor 340a of Out let 340 or the Central conductor 510 of spark plug 500 and outside connector element 468 and produces and discharge.
In present embodiment 1, by inner side connector element 462, insulator intercalation member 464, outer fixing member 466 and outside connector element 468, can will be applied to spark plug 500 and can not leak from the mixed signal 628 of mixer 300 inputs.
In addition, in adapter 400, according to the axial position of outside connector element 468 and dielectric component 470, the frequency characteristic of impedance can change.In present embodiment 1, outside connector element 468 is installed slidably with respect to outer conductors 340b and the outer fixing member 466 of mixing Out let 340.Thus, can adjust at any time the frequency characteristic of impedance.In addition, also can be after adjusting the axial position of outside connector element 468, fixing outside connector element 468.In addition, in the situation that know in advance the position of optimal outside connector element 468, also can be in advance that outside connector element 468 is integrated with respect to outer conductors 340b and the outer fixing member 466 of mixing Out let 340.
By suitably setting the configuration of inner side connector element 462, insulator intercalation member 464, outer fixing member 466 and outside connector element 468, the efficiency of transmission of the microwave composition in capable of regulating mixed signal 280.By this, adjust, can easily guarantee the efficiency of transmission of microwave.
The effect of-mode of execution 1-
In present embodiment 1, any of position of transmitting microwave in plasma generator 100 all becomes coaxial configuration.Therefore, do not carry out the pattern conversion of microwave, just can realize and the mixing and the transmission of microwave of pulsed voltage.This contributes to guarantee the efficiency of transmission of microwave.In addition, because any of position of transmission microwave all forms coaxial configuration, so can shorten the length at the edge (edge) of each conductive member.Therefore, the generation in the incidental creeping discharge in the edge of conductive member can be reduced, the leakage of energy can be suppressed.Therefore, can improve withstand voltage properties.This contributes to guarantee the energy of transmission, improves electrical integrity.
In addition, in coaxial configuration, because of large multimember tubular that is shaped as, so can obtain with structure weight, be in a ratio of higher rigidity.This contributes to guarantee soundness.In addition, because of the cause of coaxial configuration, can shorten the minimum fabric width of profile.This contributes to improve lift-launch property.In addition, because of the cause of coaxial configuration, and the transmission path of pulsed voltage is shielded.Therefore the leakage of electromagnetic noise in the time of, can reducing pulsed voltage generation.Therefore, noise countermeasure is become easily, can improve lift-launch.
In addition, can suppress the loss of the transmitting energy that caused by the noise countermeasure of resistance etc., therefore easily guarantee the efficiency of transmission of energy.In addition, in plasma generator 100, each function part can load and unload (detachable) and form, so easily carry out module (module), changes.Therefore, design, manufacture, inspection, part exchange etc. become easy.This contributes to guarantee lift-launch property.
In addition, adapter 400 possesses can be really and easily connect the structure of general spark plug, and then can easily carry out the adjustment of efficiency of transmission.Therefore, can be with high efficiency to spark plug transmitting energy.Therefore, use the plasma of spark plug 500 to become easy.This is particularly suitable for plasma application in the igniting of internal-combustion engine.
In addition, if the shell of impulse voltage generator 200 is the electric conductors such as metal, as long as make so mixer 300 shell 360 impulse voltage generator 200 sides end substantially with the housing contacts of impulse voltage generator 200, just can improve the shielding of microwave.
The variation 1 of-mode of execution 1-
Variation 1 to mode of execution 1 describes.In variation 1, as shown in Figure 6, in mode of execution 1, the resistance (electric resistance) 222 being arranged on impulse voltage generator 200 is arranged in mixer 300.Resistance 222 is connected in the second input terminal 315 and adverse current prevents between coil 320.Thus, can directly common spark coil be used for to impulse voltage generator 200, can in the design of mixer 300, suitably set the resistance value of resistance 222.
The variation 2 of-mode of execution 1-
Variation 2 to mode of execution 1 describes.In variation 2, as shown in Figure 7, pair of conductive cylindrical shell 380,381 is toward each other being set between the outer circumferential face of electric conductor rod 370 and the inner peripheral surface of electric conductor pipe 372.One end of the first electric conductivity cylindrical shell 380, to electric conductor rod 370 lateral bucklings, is engaged in the outer circumferential face of electric conductor rod 370.One end of the second electric conductivity cylindrical shell 381, to electric conductor pipe 372 lateral bucklings, is engaged in electric conductor pipe 372.Pair of conductive cylindrical shell 380,381 is embedded in dielectric tube 366.Thus, a part for the electric capacity of pair of conductive cylindrical shell 380,381 burden capacitors 330.Therefore, the length of part in opposite directions of electric conductor rod 370 and electric conductor pipe 372 can be shortened, thereby the axial length of mixer 340 can be shortened.
The variation 3 of-mode of execution 1-
Variation 3 to mode of execution 1 describes.In variation 3, as shown in Figure 8, electric conductor rod 370 and dielectric tube 366 together form extension part 390 with outer conductors 390a.Therefore, shell 360 reduces with the variation of the impedance of the boundary of extension part 390.
< < mode of execution 2 > >
Mode of execution 2 is described.In mode of execution 2, as shown in Figure 9, at the terminal side of the insulator 22 of spark plug 20, tubular protuberance 26 is being set, to replace arranging insulator intercalation member 464.
Tubular protuberance 26 is one-body molded with the insulator 22 of spark plug 20.Therefore,, in spark plug 20 sides of tubular protuberance 26, the situation that produces electric discharge between the conductor in the outside of the conductor of the inner side of tubular protuberance 26 and tubular protuberance 26 is stoped.The dielectric layer 34 that mixes Out let 30 is embedded into the inner side of tubular protuberance 26.The inner peripheral surface of tubular protuberance 26 spreads all over whole butt peripherally with the outer circumferential face that mixes the dielectric layer 34 of Out let 30.Dielectric layer 34 is arranged between Central conductor 31 and outer conductors 33.
The conductor cylindraceous that outer fixing member 35 is thinner thickness.One of outer fixing member 35 distolaterally contacts with grounding conductor 23.Outer fixing member 35 together forms connector side outer conductors 18 with grounding conductor 23.
Outer side-connector 36 comprises the outside connector element 41 that outer fixing member 35 is electrically connected to the outer conductors 33 of mixing Out let 30 and the dielectric component 42 that is arranged on the internal surface of this outside connector element 41.
Outside connector element 41 comprises roughly conductor cylindraceous.Outside connector element 41 arranges to surround the mode of tubular protuberance 26.Connector side end 45 and the mixer side end 46 of outside connector element 41 bend to the inside, and the inner peripheral surface of the main body portion 47 between connector side end 45 and mixer side end 46 spreads all over and wholely separates with the outer circumferential face of tubular protuberance 26 peripherally.
Dielectric component 42 comprises roughly insulator cylindraceous.Dielectric component 42 spread all over outside connector element 41 main body portion 47 axle direction and be fixed on the inner peripheral surface of this main body portion 47.One end of dielectric component 42 is connected to the internal surface of connector side end 45, and the other end is connected to the internal surface of mixer side end 46.
In addition, the changing impedance of the connection part of outside connector element 41 and connector side outer conductors 18 with regard to microwave is larger.Therefore, one end of mixer 300 sides of connector side outer conductors 18 becomes the intermediate portion of the incoming wave of microwave and the synthesis wave of reflected wave.One end of mixer 300 sides of connector side outer conductors 18 becomes high petential.On the other hand, in outside connector element 41, in main body portion 47, can there is low potential region.If there is no dielectric component 42, just can likely produce electric discharge between the low potential region of main body portion 47 and the terminal side of connector side outer conductors 18.Therefore,, in mode of execution 2, in the inner side of the main body portion 47 of outside connector element 41, dielectric component 42 is being set.Therefore, can stop between main body portion 47 and connector side outer conductors 18 and produce and discharge.
In addition, the inner peripheral surface of tubular protuberance 26 and the outer circumferential face butt substantially that mixes the dielectric layer 34 of Out let 30.In mixer 300 sides of tubular protuberance 26, by guaranteeing the chimeric length of dielectric layer 34, and make electrical insulation between the conductor of inner side of tubular protuberance 26 and the conductor in the outside of tubular protuberance 26.
In addition, the length (L) of the connector side outer conductors 18 on the axle direction of Central conductor 21 is set for: the wavelength (λ) (wavelength of the microwave of insulator 22 inside of spark plug 20) with respect to the microwave of circulation in spark plug 20 meets following formula 1.In following formula 1, N represents natural number.
Formula 1:L=(λ/2) * N
If suc as formula the length (L) of setting connector side outer conductors 18 as 1, in the inner side of connector side outer conductors 18, the incoming wave of microwave and the synthesis wave of reflected wave can become standing wave (standing wave).The two ends of connector side outer conductors 18 are always the intermediate portion of standing wave.Therefore, in the oscillating process of microwave, be maintained in the higher state of potential difference of the front end of Central conductor 21, thus can be effectively by the Power supply of microwave to plasma.
The variation 1 of-mode of execution 2-
Variation 1 to mode of execution 2 describes.In variation 1, as shown in figure 10, at one of outer fixing member 35 distolateral inner peripheral surface, forming thread groove 35a.Outer fixing member 35 is by this thread groove 35a being screwed together in to the thread groove 23a of the outer circumferential face of the terminal side that is formed on grounding conductor 23, and is arranged on spark plug 20.According to this variation 1, can easily regulate the length (L) of the connector side outer conductors 18 on the axle direction of Central conductor 21, to meet the relation of above formula 1.
The variation 2 of-mode of execution 2-
Variation 2 to mode of execution 2 describes.In variation 2, as shown in figure 11, the dielectric layer 34 that mixes Out let 30 comprise forward end minor diameter part 34a and with the continuous large-diameter portion 34b of this minor diameter part 34a.Minor diameter part 34a is embedded into the inner side of tubular protuberance 26.In this variation 2, in mixer 300 sides of tubular protuberance 26, can positively prevent from producing and discharging between the conductor of inner side of tubular protuberance 26 and the conductor in the outside of tubular protuberance 26.
The variation 3 of-mode of execution 2-
Variation 3 to mode of execution 2 describes.In variation 3, as shown in figure 12, in the end of mixer 300 sides of tubular protuberance 26, forming tapering 44.Along with the cardinal extremity near tubular protuberance 26, tapering 44 external diameters expand.Therefore, can relax the changing impedance of adapter 400.
Other mode of executions of < < > >
Described mode of execution also can form as follows.
In described mode of execution, electric conductor rod 370 also can be the barred body of tubular.In the case, the inner conductor 390a of extension part 390 can be inserted into the inner side of electric conductor rod 370.Therefore, can easily extension part 390 be connected in to one end of electric conductor rod 370.
In addition, in described mode of execution, mixing Out let 340 also can become identical with spark plug 500 mode with the impedance of microwave forms.As Fig. 5, in the situation that the thickness of insulator 514 periodically changes in spark plug 500, mix the mode that Out let 340 becomes identical with the input side (exposed portions serve 514a) of spark plug 500 with the impedance of microwave and form.
In addition, in described mode of execution, also can extension part 390 be connected in to the tapering 361 of shell 360, and arrange and mix Out let 340 in the one end in the tapering 361 of shell 360.
In addition, in described mode of execution, also can pass through mold pressing resin (mold resin) respectively that mixer 300 and adapter 400 etc. are integrated.In addition, also can make plasma generator 100 whole integrated by mold pressing resin etc.In addition, because spark plug 500 is exposed in plasma, loss is excessive, thus also can in plasma generator 100, make the part except spark plug 500 integrated, and with respect to this integrated part handling spark plug 500.
In addition, in described mode of execution, as impulse voltage generator 200, exemplified with general spark coil, but the present invention is not limited thereto kind of a device.So long as apply the device of pulsed voltage, just can make device in various manners as impulse voltage generator 200.
In addition, in described mode of execution, as electrical discharger, exemplified with spark plug 500, but the present invention is not limited thereto kind of an electrical discharger.Can replace spark plug 500 with other electrical dischargers with discharging gap.Yet the member of adapter 400 is necessary for the shape corresponding with the electrical discharger using.
In addition, in described mode of execution, as electromagnetic wave and exemplified with microwave, but the present invention is not limited thereto the electromagnetic wave of kind of frequency band.Suitably select electromagnetic frequency band.Yet the size of each member must be set according to the electromagnetic frequency of having selected.
In described mode of execution, as shown in figure 13, spark plug 500 is to have a plurality of (for example 3) device of electrode 27 in opposite directions.Each in opposite directions the front end devices spaced apart ground of electrode 27 to the forward end of the outer circumferential face of Central conductor 510.In the case, can make 1 in opposite directions the distance of electrode 27a and Central conductor 510 be shorter than other two distances of electrode 27b, 27c and Central conductor 510 in opposite directions.In addition, can make the front end of the in opposite directions electrode 27a short with the distance of Central conductor 510 sharp-pointed.By being made as this kind of formation, the short 27a of electrode in opposite directions of the distance with Central conductor 510 can be used for to the purposes of discharging, by other two in opposite directions electrode 27b, 27c for making the heat bulk storage of region of discharge.
[utilizability in industry]
As described above, the present invention to the mixer that pulsed voltage is mixed with electromagnetic wave, obtain adapter from the electromagnetic impedence matching of mixer output, possess the igniting unit of mixer and possess the plasma generator of igniting unit useful.
Claims (17)
1. a mixer, is blended in the energy of pulsed voltage and electromagnetic wave energy in same transmission line, it is characterized in that comprising:
First input end, has the inner conductor and the outer conductors that form coaxial configuration, and input has electromagnetic wave;
The second input terminal, input has pulsed voltage;
Mix Out let, there is the inner conductor and the outer conductors that form coaxial configuration, and voltage pulse output and electromagnetic wave;
The first bar-shaped conductive member, one end is electrically connected on described the second input terminal, and the other end is electrically connected on the inner conductor of described mixing Out let;
The second conductive member of tubular, devices spaced apart ground surrounds described the first conductive member, configures coaxially, and be electrically connected on the inner conductor of described first input end with described the first conductive member; And
The 3rd conductive member of tubular, with described the second conductive member devices spaced apart take in described the first conductive member and described the second conductive member, configure coaxially with described the first conductive member and described the second conductive member, and be electrically connected on respectively the outer conductors and described outer conductors of mixing Out let of described first input end.
2. mixer according to claim 1, is characterized in that:
The described mixing Out let side of described the first conductive member is outstanding from the opening of described the second conductive member.
3. mixer according to claim 2, is characterized in that:
One end of the described second input terminal side of described the first conductive member is positioned at the inner side of described the second conductive member.
4. mixer according to claim 3, is characterized in that:
Comprise that adverse current stops unit, this adverse current stops unit that described the second input terminal is electrically connected to described the first conductive member, and stops the electromagnetic wave of inputting from described first input end to flow to described the second input terminal; And
Described adverse current prevention unit is inserted into the inner side of described the second conductive member, is connected in the second input terminal side of described the first conductive member in the inner side of this second conductive member.
5. mixer according to claim 4, is characterized in that:
The electric conductivity spring that described adverse current stops unit to comprise coiled type is keeping under the state being compressed between described the second input terminal and described the first conductive member.
6. according to the mixer described in arbitrary claim in claim 1 to 5, it is characterized in that:
The inner conductor of described first input end is connected with the end of described the second conductive member in the second input terminal side of this second conductive member.
7. according to the mixer described in arbitrary claim in claim 1 to 5, it is characterized in that:
Comprise insulating cylinder body, this insulating cylinder body is configured between described the first conductive member and described the second conductive member, by this first conductive member and this second conductive member electrical insulation.
8. according to the mixer described in arbitrary claim in claim 1 to 5, it is characterized in that:
Comprise pair of conductive cylindrical shell, described pair of conductive cylindrical shell between the outer circumferential face of described the first conductive member and the inner peripheral surface of described the second conductive member toward each other, and
One side of described pair of conductive cylindrical shell is electrically connected on described the first conductive member, and the opposing party is electrically connected on described the second conductive member.
9. according to the mixer described in arbitrary claim in claim 1 to 5, it is characterized in that:
To be supplied to electrical discharger from pulsed voltage and the electromagnetic wave of described mixing Out let output, this electrical discharger comprises the Central conductor of the inner conductor that is electrically connected on described mixing Out let and is electrically connected on the outer conductors of described mixing Out let and together forms the grounding conductor of discharging gap with described Central conductor, and described Central conductor and grounding conductor form coaxial configuration; On the other hand,
The mode that described mixing Out let becomes identical with described electrical discharger with electromagnetic impedance forms.
10. an adapter, obtain from according to the mixer described in arbitrary claim claim 1 to 9 towards the electromagnetic impedence matching of electrical discharger that is electrically connected on the mixing Out let of mixer, it is characterized in that:
Described electrical discharger comprises the Central conductor of the inner conductor that is electrically connected on described mixing Out let and is electrically connected on the outer conductors of described mixing Out let and together forms the grounding conductor of discharging gap with described Central conductor, and under following state, configure: described Central conductor and grounding conductor form coaxial configuration, described Central conductor extends along the axle direction of described mixing Out let, and described grounding conductor separates with described outer conductors of mixing Out let; On the other hand,
This adapter comprises the outside connector element of tubular, and the outside connector element of this tubular is electrically connected to the outer conductors of described mixing Out let with the grounding conductor of described electrical discharger, and is arranging movably along its axle direction.
11. adapters according to claim 10, is characterized in that:
Comprise tubular insulating component, this tubular insulating component is used for stoping between the inner conductor of described mixing Out let or the Central conductor of described electrical discharger and described outside connector element and produces and discharge.
12. adapters according to claim 11, is characterized in that:
Described tubular insulating component is fixed on the internal surface of described outside connector element.
13. according to claim 10 to the adapter described in arbitrary claim in 12, it is characterized in that:
Comprise inner side connector element, this inner side connector element is electrically connected to the inner conductor of described mixing Out let with the Central conductor of described electrical discharger, and keeps this inner conductor and this Central conductor.
14. according to claim 10 to the adapter described in arbitrary claim in 12, it is characterized in that:
The two end part of described outside connector element are bending to the inside respectively, and an end is connected to the outer conductors of described mixing Out let, and the other end is connected to the grounding conductor of described electrical discharger or is electrically connected on the conductor of this grounding conductor.
15. 1 kinds of igniting units, is characterized in that comprising:
Impulse voltage generator, pulsing voltage; And
According to the mixer described in arbitrary claim in claim 1 to 9, by the pulsed voltage from the output of described impulse voltage generator, mix with the electromagnetic wave of exporting from electromagnetic wave source.
16. 1 kinds of igniting units, is characterized in that comprising:
Impulse voltage generator, pulsing voltage; And
According to the mixer described in claim 4 or 5, by the pulsed voltage from the output of described impulse voltage generator, mix with the electromagnetic wave of exporting from electromagnetic wave source; And
At described the second input terminal, stop between unit and be connected resistance with described adverse current.
17. 1 kinds of plasma generators, is characterized in that comprising:
According to the igniting unit described in claim 15 or 16; And
Electrical discharger, utilizes from pulsed voltage and the electromagnetic wave of described igniting unit output plasma occurs.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009198943 | 2009-08-06 | ||
| JP2009-198943 | 2009-08-06 | ||
| PCT/JP2010/063432 WO2011016569A1 (en) | 2009-08-06 | 2010-08-06 | Mixer, matching device, ignition unit, and plasma generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102472240A CN102472240A (en) | 2012-05-23 |
| CN102472240B true CN102472240B (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080034982.6A Expired - Fee Related CN102472240B (en) | 2009-08-06 | 2010-08-06 | Mixer, matching device, ignition unit, and plasma generator |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8861173B2 (en) |
| EP (1) | EP2463506B1 (en) |
| JP (1) | JP5632993B2 (en) |
| KR (1) | KR101591561B1 (en) |
| CN (1) | CN102472240B (en) |
| WO (1) | WO2011016569A1 (en) |
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| JP6868421B2 (en) * | 2017-03-08 | 2021-05-12 | 株式会社Ｓｏｋｅｎ | Ignition system |
| EP3663572A1 (en) * | 2018-12-04 | 2020-06-10 | Punch Powertrain France | Ignition unit and motorized product |
| KR102231371B1 (en) * | 2020-01-29 | 2021-03-25 | 주식회사 피에스엠 | Cold plasma generating apparatus and multi-cold plasma generator comprising the same |
| US11626700B2 (en) * | 2021-02-23 | 2023-04-11 | Dell Products L.P. | DC power connector plug with improved power and rigidity |
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- 2010-08-06 CN CN201080034982.6A patent/CN102472240B/en not_active Expired - Fee Related
- 2010-08-06 KR KR1020127005805A patent/KR101591561B1/en not_active Expired - Fee Related
- 2010-08-06 JP JP2011525963A patent/JP5632993B2/en not_active Expired - Fee Related
- 2010-08-06 US US13/389,184 patent/US8861173B2/en not_active Expired - Fee Related
- 2010-08-06 WO PCT/JP2010/063432 patent/WO2011016569A1/en active Application Filing
- 2010-08-06 EP EP10806568.1A patent/EP2463506B1/en not_active Not-in-force
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1544457A1 (en) * | 2003-12-20 | 2005-06-22 | Robert Bosch Gmbh | Device for igniting an air-fuel mixture in a combustion engine |
| CN101351638A (en) * | 2006-09-20 | 2009-01-21 | 创想科学技术工程株式会社 | Ignition device, internal combustion engine, ignition plug, plasma apparatus, exhaust gas decomposition apparatus, ozone generation/sterilization/disinfection apparatus, and deodorization apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2463506B1 (en) | 2017-01-25 |
| WO2011016569A1 (en) | 2011-02-10 |
| JPWO2011016569A1 (en) | 2013-01-17 |
| US8861173B2 (en) | 2014-10-14 |
| US20120176723A1 (en) | 2012-07-12 |
| EP2463506A1 (en) | 2012-06-13 |
| EP2463506A4 (en) | 2015-06-24 |
| KR101591561B1 (en) | 2016-02-03 |
| KR20120054039A (en) | 2012-05-29 |
| JP5632993B2 (en) | 2014-12-03 |
| CN102472240A (en) | 2012-05-23 |
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